Add fill_constant_batch_size_like tests (#53736)

python/paddle/fluid/tests/unittests/test_fill_constant_batch_size_like.py

@@ -38,11 +38,12 @@ def fill_constant_batch_size_like(
     )
 
 
-class TestFillConstatnBatchSizeLike1(OpTest):
+class TestFillConstantBatchSizeLike1(OpTest):
     # test basic
     def setUp(self):
         self.op_type = "fill_constant_batch_size_like"
         self.python_api = fill_constant_batch_size_like
+        self.init_dtype()
         self.init_data()
 
         input = np.zeros(self.shape)
@@ -59,9 +60,11 @@ def setUp(self):
             'force_cpu': self.force_cpu,
         }
 
+    def init_dtype(self):
+        self.dtype = np.float32
+
     def init_data(self):
         self.shape = [10, 10]
-        self.dtype = np.float32
         self.value = 100
         self.input_dim_idx = 0
         self.output_dim_idx = 0
@@ -71,11 +74,16 @@ def test_check_output(self):
         self.check_output()
 
 
+class TestFillConstantBatchSizeLikeFP16Op(TestFillConstantBatchSizeLike1):
+    def init_dtype(self):
+        self.dtype = np.float16
+
+
 @unittest.skipIf(
     not core.is_compiled_with_cuda() or not core.supports_bfloat16(),
     "core is not compiled with CUDA or place do not support bfloat16",
 )
-class TestFillConstatnBatchSizeLikeBf16(OpTest):
+class TestFillConstantBatchSizeLikeBF16Op(OpTest):
     # test bf16
     def setUp(self):
         self.op_type = "fill_constant_batch_size_like"